62 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... • Hypoxia • Pulmonary ... • Oxygen • Treatment ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
ECG changes in Pulmonary ... V1 - Right atrial ... S1Q3T3 #Predictive #ECG ... #EKG #Findings ... #Diagnosis
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... specificity for EKG ... EKG is helpful in ... #EKG #Pulmonary ... Embolism #AcutePE #diagnosis
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
• Caused by atrial ... dissociation + retrograde atrial ... activation from SVT (e.g ... #diagnosis #cardiology ... #CVP
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) SVTs - atrial ... 3 different P waves ... bradyarrhythmia #ECG ... #EKG #diagnosis
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... are enough to diagnose ... #PhysicalExam #JVP ... #Cardiology #Neck
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... QRS interval on EKG ... WPW #Cardiology #ECG ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... • Consider K+ binder ... potassium and ECG ... potassium #high #diagnosis ... #treatment
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Control rate (e.g ... with caution in pulmonary ... Control rate (e.g ... #management #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... P and QRS • Atrial ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology